Tire inflation extension tube: It can quickly connect and disconnect the tire nozzle to ensure that the air pressure in the tire does not leak when the tire is inflated and disconnected. Wide range of applications: Universal type is suitable for all car air pumps; suitable for American tire valves for cars, motorcycles, bicycles Easy to install and use: connect the male threaded interface to the air pump and quickly press the handle of the inflator chuck to start the inflation. Valve extension hose material: Reinforced rubber hose with nylon coating, which is strong and durable and can withstand pressure up to 300 psi. Universal male thread interface: American 5/16-30 thread specification is the same as American tire valve, 8V1 valve, outer diameter 7.8mm.Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it